How to feed fish in the reservoir?

怎么在水库里养鱼？

youdao

Today,most of the world's soybeans go to feed not just chickens, but cows,pigs and even fish.

VOA: standard.2010.02.01

"It could be taken up by crustaceans like shrimp crabs, things like that which are the base of the food chain and that could be passed up to fish and then mammals and the toxins could be concentrated and that could be harmful to animals that feed on these smaller organisms."

VOA: standard.2010.05.09

In addition, groups most concerned with overfishing note that carnivores such as salmon need to eat wild-caught fish, depleting populations of feed fish such as anchovies.

WSJ: Guidelines for Eating Sustainable Seafood

By hatching its own fish, carefully controlling feed and raising fish offshore in clean water, mercury and other pollutants can be kept to extremely low levels, contends Spencer.

FORBES: Breakthroughs

But the company has discovered that its algae can be processed into other useful things: feed for fish farms, protein powders for food supplements and omega-3 fatty acids used in a variety of supplements and pharma products.

FORBES: Names You Need To Know: Aurora Algae